import React, { Component } from 'react'
import PubSub from 'pubsub-js'
import axios from 'axios'

export default class Search extends Component {
    Search = () => {
        // 获取用户的输入 (连续解构赋值+重命名)
        let { keyWordeNode: { value: keyWord } } = this;
        // 发送请求前通知List更新状态
        PubSub.publish('listPubSub', {isFirst:false, isLoading:true})

        axios.get(`http://localhost:3000/search/users?q=${keyWord}`).then(
            res => {
                // console.log('成功了', res.data);
                // 发送请求后通知List更新状态
                PubSub.publish('listPubSub', {isLoading:false, users:res.data.items})
            },
            err => {
                // console.log('失败了', err);
                // 发送请求失败后通List更新状态
                PubSub.publish('listPubSub', {isLoading:false, err:err.message})
            }
        )
    }

    render() {
        return (
            <section className="jumbotron">
                <h3 className="jumbotron-heading">搜索github用户</h3>
                <div>
                    <input ref={c => this.keyWordeNode = c} type="text" placeholder="输入关键词点击搜索" />&nbsp;
                    <button onClick={this.Search}>搜索</button>
                </div>
            </section>
        )
    }
}
